Chemistry Metal are good conductors, because They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Hydrogen Neon Helium Argon Hydrogen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Platinum Iron Gold Tungsten Platinum Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Copper and chromium Chromium and nickel Copper and nickel Manganese and copper Copper and chromium Chromium and nickel Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero –4 8 4 Zero –4 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Bromine Potassium Sodium Iodine Bromine Potassium Sodium Iodine ANSWER DOWNLOAD EXAMIANS APP